W. Ibrahim, W. M. M. and Nawayi @ @Nawawi, N. (2012) “Aplikasi Sistem Maklumat Geografi (GIS) dalamKegagalan Cerun: Kajian Kes di PayaTerubong,Pulau Pinang, Malaysia: Application of Geographic Information System (GIS) in SlopeFailures: A Case Study in Paya Terubong, Pulau Pinang, Malaysia”, Perspektif Jurnal Sains Sosial dan Kemanusiaan, 4(2), pp. 56–66. Available at: https://ejournal.upsi.edu.my/index.php/PERS/article/view/1616 (Accessed: 2 May 2024).